Form No. HCWBIm-0913
13
OPERATION
6. Verify on the display that the unit has reached the proper
setpoint temperature, and replace the empty pans in the
well with pans that are loaded with pre-chilled food product.
• always use a food pan. Do not place food directly into
the refrigerated well.
• Stir thick food items frequently to keep food chilled
uniformly.
Hatco Corporation is not responsible for actual food
product serving temperature. It is the responsibility of the
user to ensure that food product is held and served at a
safe temperature.
Shutdown
1. move the Power I/O (on/off) Switch to the center “O” (off)
position. The digital temperature controller and condensing
unit will shut off.
2. Perform the “Daily Cleaning” procedure in the
maINTENaNCE section of this manual.
Changing the Setpoint Temperature
Use the following procedure to change the setpoint temperature
on both digital temperature controllers. The setpoint
temperature range for the COLD controller is 10
°
F (-12
°
C) to
50
°
F (10
°
C). The setpoint temperature range for the HOT
controller is 65
°
F (-18
°
C) to 192
°
F (89
°
C)
NOTE: Changes to the setpoint temperature should be made
in small increments (1 to 2 degrees). Wait at least two
hours after a change in setpoint temperature before
checking for the desired result.
1. Press and hold the
key for one second until the
display flashes the current setpoint temperature.
2. Press the
or
key to increase or decrease the
setpoint temperature. If no key is pressed within 60
seconds, the display will revert to normal operation and the
current temperature of the unit will be shown on the display.
3. Press the
key to lock in the new setpoint
temperature. The display will revert to show the current
temperature of the unit.
Digital Temperature Controller
WARNING
Display
Down Arrow/
Defrost Key
Unit
“Active”
Symbol
Up Arrow/
Standby Key
SET
Key
Setting the Auto-Defrost Cycle (COLD Mode)
The COLD digital temperature controller is programmed at the
factory with the auto-defrost cycle deactivated. Use the
following procedure to activate the auto-defrost cycle if ambient
or operational conditions require the unit to defrost occasionally.
When the unit is in a defrost cycle,
will appear on the
display.
1. Press and hold the
key for three seconds to access
programming mode. “PS” (password) will appear on the
display.
2. Press the
key again. a numeric value will appear on
the display.
3. Press the
or
key until the number “22” appears
on the display, then press the
key.
4. Use the
or
key to scroll through the
programmable parameters until “dI” (defrost interval)
appears on the display.
5. Press the
key to select “dI”. The current number of
defrost cycles will be shown on the display. For new units,
this value will be “0”.
6. Press the
or
key within 60 seconds to scroll to
the desired number of hours between defrost cycles. See
below for examples of how the defrost cycle(s) operate:
“0” = auto-defrost is deactivated
“1” = unit will defrost every hour
“4” = unit will defrost every four hours (recommended)
“12” = unit will defrost every twelve hours
If no key is pressed within 60 seconds, the display will
revert to normal operation and the current temperature of
the unit will be shown on the display.
7. Press the
key to lock in the new defrost cycle setting.
8. Press and hold the
key for three seconds to exit
programming mode. The display will revert to show the
current temperature of the unit.
NOTE: Once the unit begins a defrost cycle, defrosting cannot
be cancelled. Defrosting lasts approximately 30 minutes.
